OER Parts offers a wide selection of Cooling System Components for your 1974 GMC C15/C1500 Suburban. OER Parts offers 1974 GMC C15/C1500 Suburban Shroud Hardware, 1974 GMC C15/C1500 Suburban Shroud Mounting Kit, 1974 GMC C15/C1500 Suburban Lower Radiator Fan Shroud Clip, 1974 GMC C15/C1500 Suburban Upper Fan Shroud Bracket, 1974 GMC C15/C1500 Suburban Lower Fan Shroud Bracket, and 1974 GMC C15/C1500 Suburban Fan Shroud Flange Nuts.